Constify RSA signature buffer.
diff --git a/fips/fips.h b/fips/fips.h
index 2fa56db..4bebd4c 100644
--- a/fips/fips.h
+++ b/fips/fips.h
@@ -190,13 +190,13 @@
int FIPS_rsa_verify_ctx(struct rsa_st *rsa, struct env_md_ctx_st *ctx,
int rsa_pad_mode, int saltlen,
const struct env_md_st *mgf1Hash,
- unsigned char *sigbuf, unsigned int siglen);
+ const unsigned char *sigbuf, unsigned int siglen);
int FIPS_rsa_verify_digest(struct rsa_st *rsa,
const unsigned char *dig, int diglen,
const struct env_md_st *mhash,
int rsa_pad_mode, int saltlen,
const struct env_md_st *mgf1Hash,
- unsigned char *sigbuf, unsigned int siglen);
+ const unsigned char *sigbuf, unsigned int siglen);
#ifndef OPENSSL_FIPSCANISTER
diff --git a/fips/rsa/fips_rsa_sign.c b/fips/rsa/fips_rsa_sign.c
index a4c62bf..4e1f27d 100644
--- a/fips/rsa/fips_rsa_sign.c
+++ b/fips/rsa/fips_rsa_sign.c
@@ -304,7 +304,7 @@
int FIPS_rsa_verify_ctx(RSA *rsa, EVP_MD_CTX *ctx,
int rsa_pad_mode, int saltlen, const EVP_MD *mgf1Hash,
- unsigned char *sigbuf, unsigned int siglen)
+ const unsigned char *sigbuf, unsigned int siglen)
{
unsigned int md_len, rv;
unsigned char md[EVP_MAX_MD_SIZE];
@@ -319,7 +319,7 @@
int FIPS_rsa_verify_digest(RSA *rsa, const unsigned char *dig, int diglen,
const EVP_MD *mhash, int rsa_pad_mode, int saltlen,
const EVP_MD *mgf1Hash,
- unsigned char *sigbuf, unsigned int siglen)
+ const unsigned char *sigbuf, unsigned int siglen)
{
int i,ret=0;
unsigned int dlen;
